Building Materials Mock test – 5 || Civil Engineering Mock tests Welcome to your Building Materials Mock test - 5 Take an exciting test in Building Materilals You have only 20 mins to complete the test (25 Questions) Wish you all the best!!! Name Email 1) The colour of statuary marble used for sculptor's work, is (A) Red (B) Blue (C) White (D) Green2) Spirit varnish generally consists of (A) Oil, wax and resin (B) Alcohol, wax and turpentine (C) Pigment and synthetic resin (D) Spirit and shellac3) Based on its dry weight, a freshly felled tree may contain water (A) 25 % (B) 50 % (C) 75% (D) 100 %4) Mild steel is used for (A) Structural works in beams, joints and girders (B) Small sized water pipes (C) Columns and struts (D) None of these5) A rock contains only one mineral. It is called (A) Homogeneous (B) Non-homogeneous (C) Monomineralic (D) Polymineralic6) Granite mainly composed of quartz and feldspar particles, is obtained from (A) Sedimentary rocks (B) Metamorphic rocks (C) Igneous rocks (D) All the above7) Pick up the non-inflammable plastic from the following: (A) Cellulose acetate plastics (B) Polyvinyl chloride plastics (C) Phenol formaldehyde plastic (D) Urea formaldehyde plastic8) Pig iron obtained from the furnace which is properly provided with fuel at a very high temperature, is called (A) Bessemer pig (B) Grey or foundry pig (C) White or forge pig (D) Mottled pig9) Forge pig may be converted to wrought iron by (A) Rolling (B) Pudding (C) Shingling (D) Refining10) With storage, strength of cement (A) Increases (B) Decreases (C) Remains the same (D) None to these11) Slump test for concrete is carried out, to determine (A) Strength (B) Durability (C) Workability (D) Water content12) The frog of a brick is normally made on its (A) Top face (B) Bottom face (C) Longer face (D) Shorter side13) The material generally not used as extender in paints, is (A) Powdered silica (B) Gypsum (C) Talc (D) Zinc white14) Pegmatite is a/an (A) Intrusive igneous rock (B) Extrusive igneous rock (C) Sedimentary rock (D) Metamorphic rock15) The most valuable timber may be obtained from (A) Chir (B) Shishum (C) Sal (D) Teak16) Bitumen paints offer (A) Pleasing surface (B) Hard surface (C) Smooth surface (D) Protective surface17) For light and ornamental casting, the most unsuitable pig iron, is (A) Bessemer pig (B) Grey or foundry pig (C) White or forge pig (D) Mottled pig18) The minimum percentage of silica, alumina and ferric oxide in lime for white washing, is (A) 20 (B) 15 (C) 5 (D) 019) Pick up the metal refractory from the following: (A) Molybdenum (B) Tungsten (C) Zirconium (D) All of these20) The rocks formed from molten magma, are called (A) Sedimentary rocks (B) Igneous rocks (C) Metamorphic rocks (D) None of these21) The commonly used raw material in the manufacture of cement, is (A) Slate (B) Sand stone (C) Lime stone (D) Basalt22) Dolomite is a lime stone which contains carbonate of magnesia upto (A) 15 % (B) 20 % (C) 25% (D) 45 %23) Steel contains carbon approximately (A) 1.50% to 5.6% (B) 0.05% to 1.75% (C) 0.25% (D) None to these24) Dorry's testing machine is used for (A) Crushing test of stone (B) Hardness test of stone (C) Impact test of stone (D) Water absorption test25) The portion of the brick cut across its width and having its length equal to that of a full brick, is known as (A) Closer (B) Queen closer (C) King closer (D) Prince closer